/* Filtering of data through a subprocess.
- Copyright (C) 2001-2003, 2008-2010 Free Software Foundation, Inc.
+ Copyright (C) 2001-2003, 2008-2011 Free Software Foundation, Inc.
Written by Paolo Bonzini <bonzini@gnu.org>, 2009,
and Bruno Haible <bruno@clisp.org>, 2009.